Boston Marathon logo
BOSTON MARATHON 2023

Katrin Mohrbach

Bib: 31668 F DE

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:13/mi
31:44
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:41/mi
1:01:50
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:41/mi
1:31:55
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:45/mi
2:02:12
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:29/mi
2:08:40
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:54/mi
2:32:39
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:05/mi
3:03:58
↑ 181↓ 1480.2%
138 ft elev
20M
10:07/mi
3:17:43
↑ 64↓ 500.2%
148 ft elev
21M
11:08/mi
3:28:51
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:32/mi
3:35:59
↑ 17↓ 861.7%
156 ft elev
23M
9:52/mi
3:48:20
↑ 23↓ 630.6%
116 ft elev
24M
9:39/mi
3:57:59
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:51/mi
4:06:24
↓ 200.3%
20 ft elev
25.2M
11:33/mi
4:10:23
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:59/mi
4:19:32
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:08:409:49 /mi⚡ faster
2nd Half
2:10:529:59 /mi+1.7%
Positive split — 1.7% slower in the second half
Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5231:4410:1331:44
10:13
-
10K
6.21 mi12:21:581:01:509:5730:06
9:41
-0:32
15K
9.32 mi12:52:031:31:559:5230:05
9:41
0:00
20K
12.43 mi13:22:202:02:129:5030:17
9:45
+0:04
Half
13.11 mi13:28:482:08:409:496:28
9:29
-0:16
25K
15.53 mi13:52:472:32:399:5023:59
9:54
+0:25
30K
18.64 mi14:24:063:03:589:5231:19
10:05
+0:11
20M
20.00 mi14:37:513:17:439:5313:45
10:07
+0:02
21M
21.00 mi14:48:593:28:519:5711:08
11:08
+1:01
35K
21.75 mi14:56:073:35:599:567:08
9:32
-1:36
23M
23.00 mi15:08:283:48:209:5612:21
9:52
+0:20
24M
24.00 mi15:18:073:57:599:559:39
9:39
-0:13
40K
24.85 mi15:26:324:06:249:558:25
9:51
+0:12
25.2M
25.20 mi15:30:314:10:239:563:59
11:33
+1:42
Finish
26.22 mi15:39:404:19:329:549:09
8:59
-2:34

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:59 /mi

Average Pace

9:54 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:45

9% of race

Time at Steady Pace

3:09:56

73% of race

Time at Slower Pace

46:51

18% of race

Average Pace: 9:54 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:5231:4410:1331:44
10:13
#23987
10K
6.21 mi12:21:581:01:509:5730:06
9:41
#23519
15K
9.32 mi12:52:031:31:559:5230:05
9:41
#23278
20K
12.43 mi13:22:202:02:129:5030:17
9:45
#23012
Half
13.11 mi13:28:482:08:409:496:28
9:29
#22979
25K
15.53 mi13:52:472:32:399:5023:59
9:54
#22784
30K
18.64 mi14:24:063:03:589:5231:19
10:05
#22490
20M
20.00 mi14:37:513:17:439:5313:45
10:07
#22377
21M
21.00 mi14:48:593:28:519:5711:08
11:08
#22295
35K
21.75 mi14:56:073:35:599:567:08
9:32
#22193
23M
23.00 mi15:08:283:48:209:5612:21
9:52
#22076
24M
24.00 mi15:18:073:57:599:559:39
9:39
#21982
40K
24.85 mi15:26:324:06:249:558:25
9:51
#21900
25.2M
25.20 mi15:30:314:10:239:563:59
11:33
#21896
Finish
26.22 mi15:39:404:19:329:549:09
8:59
#21792
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi23987988298822276292149214
10K6.21 mi3.10 mi23519+4689634+2489634+2482302493439343
15K9.32 mi3.11 mi23278+2419497+1379497+1372276292149214
20K12.43 mi3.11 mi23012+2669354+1439354+1432227889488948
Half13.11 mi0.68 mi22979+339333+219333+212207388228822
25K15.53 mi2.42 mi22784+1959247+869247+862197388238823
30K18.64 mi3.11 mi22490+2949119+1289119+1282124384888488
20M20.00 mi1.36 mi22377+1139056+639056+632080783058305
21M21.00 mi1.00 mi22295+829021+359021+352111685238523
35K21.75 mi0.75 mi22193+1028972+498972+491999879427942
23M23.00 mi1.25 mi22076+1178914+588914+581961777527752
24M24.00 mi1.00 mi21982+948869+458869+451975178427842
40K24.85 mi0.85 mi21900+828839+308839+301954978087808
25.2M25.20 mi0.35 mi21896+48845-68845-62169289598959
Finish26.22 mi1.02 mi21792+1048789+568789+561791868806880

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22762

Females

9214

F40-44

9214

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

23024

Females

9343

F40-44

9343

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22762

Females

9214

F40-44

9214

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

22278

Females

8948

F40-44

8948

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22073

Females

8822

F40-44

8822

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

21973

Females

8823

F40-44

8823

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21243

Females

8488

F40-44

8488

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20807

Females

8305

F40-44

8305

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21116

Females

8523

F40-44

8523

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19998

Females

7942

F40-44

7942

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19617

Females

7752

F40-44

7752

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19751

Females

7842

F40-44

7842

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19549

Females

7808

F40-44

7808

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21692

Females

8959

F40-44

8959

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17918

Females

6880

F40-44

6880

Passing Analysis

Category:
Athletes Passed
2415
Passed By
220
Net Change
+2195
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23987
5K → 10K53163+468#23987#23519
10K → 15K27130+241#23519#23278
15K → 20K28620+266#23278#23012
20K → Half4512+33#23012#22979
Half → 25K21015+195#22979#22784
25K → 30K30713+294#22784#22490
30K → 20M1229+113#22490#22377
20M → 21M10220+82#22377#22295
21M → 35K1053+102#22295#22193
35K → 23M1225+117#22193#22076
23M → 24M995+94#22076#21982
24M → 40K864+82#21982#21900
40K → 25.2M2117+4#21900#21896
25.2M → Finish1084+104#21896#21792
TOTALS2415220+2195

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing